Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-10-15
Astronomy and Astrophysics
Astrophysics
6 pages, 2 figures, talk at The 2005 Lake Hanas International Pulsar Symposium, Aug 2-7 2005, to be published in ChJAA
Scientific paper
We propose that there possibly exists a population of millisecond pulsars in the Galactic center region. Millisecond pulsars (MSPs) could emit GeV gamma-rays through synchrotron-curvature radiation as predicted by outer gap models. In the same time, the compact wind nebulae around millisecond pulsars can emit X-rays though synchrotron radiation and TeV photons through inverse Compton processes. Besides, millisecond pulsar winds provide good candidates for the electron-positrons sources in the Galactic center. Therefore, we suggest that the millisecond pulsar population could contribute to the weak unidentified Chandra X-ray sources, the diffuse gamma-rays detected by EGRET, electron-positron annihilation lines and TeV photons detected by HESS toward the Galactic center.
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